jiangpengcheng commented on a change in pull request #5036:
URL: https://github.com/apache/openwhisk/pull/5036#discussion_r553784009
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File path: tools/travis/scan.sh
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@@ -41,7 +41,7 @@ cd $ROOTDIR
TERM=dumb ./gradlew checkScalafmtAll
# lint tests to all be actually runnable
-MISSING_TESTS=$(grep -rL "RunWith" --include="*Tests.scala" tests)
+MISSING_TESTS=$(grep -rL "RunWith" --include="*Tests.scala" tests || true)
Review comment:
seems ubuntu 20.04 will return an error for this command if `grep`
matched nothing
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